Water-level indicator for steam-boilers.



, INVENTOR. w @ag i BY 9. A. BRYAN. WATER LEVEL INDICATOR STEAM BOILERS.

APPLICATION FILED FEB. 5, I918;

Patented Dec. 17, 1918;

2 SHEETS-SHEET I;

' WITNESSES: I

m A TTORNE m G.-A BRYAN. WATER LEVEL INDICATOR FOR STEAM BOILERS APPLICATION FI'LED FEB. 5, 1918.

1,288,377. Patented Dec. 17, 1918.

2 SHEETS-SHEET 2.

BY N 40% m 4 TTORNEYS biiquerque. in the vomit oi Bernalillo and the Water in the boiler may at all times-{ho read ly unheated to the drivel. 'Asgagi" or IINlICtLtOl'S for steam .hoxlvrs least he 10- parts ill the dilleri-nt views.

GEORGE A. BRYAN. OF ALBUQUERQUE, MEXI C Q- 'WATER-LEVED INDICATOR FOR STEAM-BOILERS.

mas -m;

Specification of Letters Patent.

Application filed February 5, 1918.I Serial No. 215,436. f

75 all whom it may 1-:011 {0/7L! v Be it known that l, '(iEoime A. BRYAN, a c t zen of the United States, resulmgYat Al- St ate of New Mexico, have invented vei'taii new and useful ln pro\eiiienfs; m V'- Level Ind cators for ritxetliii-fi'iiilei- My invention relates -1f .\\a'ti., V caters for steam boilers; the siine heiri'g t-ieularly adapted for wet; oil st -iiio' 1a ton hiles where it is important thattheleiiel: ol

eated substantially (i i a level with the Mile:

itself, it can i'eadi'ly he understoodtliatin asteam automobile sneh'g'age oiidu-atoi' 1S necessarilydisposed at a considerable dista nce from the d 'iver. i-kei-ordi'ng, to my invention, thenormal location of suvh gage or indicato 'remains unchanged; hiitiiieans are vprovided whe1j9hy1 .admg of the same may he made'a't th lsua'l metrument board.

The detaiisnff't'lie invention wan; hen-iiiafter appear and the, novel features thereof I will he set forth imthtv claims. .7

In the' drawings forming part of this specification I l igure 11s a seet ional side elevation of the fomvardjemlIoi" the body of an automobile, showingfanapplieation of my invention theretoy v a Figl E2 is 'an' elevatxor: oi vthe same at right angles to Fig. 1;

'Fig. 3 is a vertival vonti 'hl set-.tional 'view{ 'oitlie water level indu-atoi". shown deta hed' from-tho dashlmard ol' theautomohileg Fig. 1- is a l ltllll elevation, and

Fifi. 5 a woss'soet/ion ol the saint- Lilio r-el'ei'eiit-inumerals The floor I. dashboard '2. instrument; board 3% and steeiing wheel l ot'the automobile may he ol any usual iii-preferred miistz'uetion. The dashlioai'd 2 is vertivally disposed and has et-tired to one side thereof the water -level indicator or ;zagef 5, the location of the latter corresponding in level with that. of the holler; of the automobile.

indicate like hevolmh asshown.

The indicator 5, ismadeup of a solid gageglass' 6 and a two-part metallic -li-a me, within which the glass is inelosed "ahd hehL; said frame eomprisint the rear member o|i,'55

wasting 7 and the fl'tml -lilQllllitl' or (-astin'g 8. f The glass (thus a Hat -t'i'ontffaunas n 1- "tic all'y"elongatedin shape-and recessi-dong a;

its; 1' 1r face, assho i'i at flijtheli t'tSS correspo i lingtiii shaiie with that (it he glass it S01 ""foi'iiiing, ivhvn theparis oli 'the de- "enililed, a shalloiv tilitl, marrowhainhe for the -eeejitiou ol' the a 'iid t ean' from the l)Qll(l.. 'lh'e vol--- tical" iroht wvall oi the i'eeess S) is preferably i1" 'i'at-eted, as shown ,at it), for a; whit-h will hei'vii a tilt-1; .appeaipx "ti produces a'iteloiigatedhollow M hearing surf? .llljtl'Utllitl thev rearilad the gage gl as j which hearing. sin-Fave isfllat thi'oughoht and-parallel to theflfi'ont sin-fwoi the tilass. flhe i L'Ql'll',

metallic i'iame within hichthe gage glass:

(3 is held, is --i'e -essed as shoe-11 M112, to i'eeeive said gla. andnloca'tml betwi-i-ii the} annular heavingsurt aee,ll and ,thb ilkrllllitl" 7 of the saidl'rai ie is ailfi'u nula'h is'ket l5, (-on'espoihling in shape and-(|i rie|is|piis with said hearing slirfai-oqi,'lliat port ioli' oi the front. slnl at'eol' the iemlwr 7 whieli issue rounded hy the gasket l l andjlios'oppo itoa the voi'rugated or laeeto'd 'evessod [portion l) of the gage glass this niek'el-platod or "amwise polished. so, that,it (Fons! itllt esaretloet lllfi surl'zu-e. 'lhe'memhei' H ottlie; t/\\'o;| art frame is i'ahheted; as showifat; ll to reee'ijo, the gage glass aid is'also pi-i "idi'd .with an, elongated Oifl'flilllillfivoi'i'espoi tlin with, hut ol' slightl nallerdin'ieiig the glass (31: lilahthe l'io t'i I e glass this ta t til-"view." 'lhvflt'wilgesol' the "opening: 15 'ai e liltfulilhLV l'vith the gz'igief glass ti and the gasket) 13 loeatvd between thetiYo QFJ members- 7 and 8 of the nietailiv; l'i' 'ii ie, as shown in Figs v i and? 'ot the i'li'awiiigs. all the parts are iii-ml vlampod toget'lieelivthe 1 screws lti. with sutlipient l'm'ee to vomprvss the gasket--13 mmd am-my jn odl'u-o a hi-i 1'00 metic seal lietwvvoii the tiand the meni be!" 7 of the frame The improved gage or indicator thus produced isstrong and durable and capable of withstanding the pressures to WhlOh 1t w1ll be subjected when used in'connection with] .member 7 of the frame is connected to the steam boiler above and belowby'the pipes 17,118, the pipe 17 serving to convey steam from the boiler andthe pipe 18, water. These pipes are tapped into openings in the member 7 and communicate with the passage 9.5M? 'oints-appreciably removed from the endso? said passage, the purpose of the location bein' to prevent the extremeends of the gageg ass 6 from being, subjected to sudden'clian es in temperature, whichwould tend to cra'c or break the same. It will be understood, of course, that the level of the water the passage 9-of the indicator will correspond withlthe level-in the boiler, and thatwith the-polished or nickeled reflecting surface 'on the rear side of the casting -7, thislevel is readily. visible by reason of the fact that the light reflected through "the steam willbe free and, unobstructed. The member 8 oftheindicator frame is provided with lugs or ears 19, by means of which the devicemay'be bolted to the dash- -In connection with the parts described, I

employ a sight tube 20, which extends from the instrument board 3 down'to the dash 2 adjacent the indicator 5. The lower end of' the sight tube surrounds the opening 15 in the frame of the indicator and is sup ported upon an'annular flangt-21 on a plate 22, screwedorotherwise secured to the dashboard. The upper end of the .sight tube surrounds and is supported by ankannular flange 23 onthe; plate 24, secured to the instrujinent board 3. And the upper 'endgsr sa' atu'be is closed by a plate of glass 25, W11 chfits within the flange 23. The tube 2051s provided with an offset 26 directly in front of the gage or indicator 5, and in this ofi'set is an openingthrough which the light from an electric lamp 27 passes. This lamp is provided with a reflector 28, which is screwed orotherwise securedto the tube 20- around-the openin therein, sothat the light from the lamp 2 is projected against the exposed portion of the glass 6 of the indicator 5. By this lamp and its reflector the gage glass of the indicator is illuminated 1 and the light therefrom reflected =up wardly through'the tube 20 to a pointadjacent the driver, The light passing through the gage lass and striking upon the re ecting surace at the rear thereof is reflected back through the water and steam in said glass,

and due to the diflerence in the transparency of the water and steam within the indicator, makes the line of division between the water and the steam, or the" water level,

i show u conspicuously, so' that it may be oba mere glance on the part of the bile; I have described my invention in:

connection with a steam automobile, it-is capable of use -in other connections and I d'ofnot wish to confine myself'to any particular use, nor do I wish to restrict myself to'janyof the details ogt construction shown own through the tube 20. :The-

and described, except as I have done'ao in v the appended (claims.

' 1. The combination with the dashboard and" instrument board of a steam automobile, of a boiler water level indicator mounted on the dashboard and having a reflecting surfacebehind the gage glass thereof, "a sight tube leadin from the indicator to the instrument boar and means in said tube for illuminating the indicator.

2. The comblnation with the dashboard and. instrument board of a steam automobile, of a: boiler water level indicator mounted on the dashboard and having ai -reflecting surfacev behind the gage glass thereof, a sight tube secured at its lower end to the dashboard, leading from the indicator to the instrument board a'nd secured at its upper end to the latter, and means in said tube for illuminating the indicator.

3. The combination iwiththe dashboard and instrument board of a steam-automobile, of a boiler water level indicatormounted on the dashboard and having a refiectiiig surface behind the gage glass 'thereof,""a sight tube secured at its lower end to, the.

dashboard, leading" from the indicator to the instrument board, secured at its upper end to the latter and having an oflset portion therein, a lamp mounted in said offset portion, and a reflector for projectingthe ght from the lamp upon the indicator."

4. The combination with the dashboard and instrument board of a steam automobile, of a boiler waterlevel indicator mounted on the dashboard and having a' reflecting surface behind the gage glass thereof, a plate secured to the dash dein front of 1 the indicator and thereon, a plate secured to the instrument In witnew whereof, I subscribe ni g tsignw board and having an annular flange thereon, ture, in the presence of two witnesses, I

the flanges on said plates extendin toward each other, a sight tube leading mm the GEORGE R 5 indicator to the instrument board and. sup- Witnesses: ported by said flanges, and means in said Esmum Hams,

tube for illuminating the indicator. n M E. Hrc z'er. 

